12731051 has 2 divisors, whose sum is σ = 12731052. Its totient is φ = 12731050.

The previous prime is 12731039. The next prime is 12731063. The reversal of 12731051 is 15013721.

It is a balanced prime because it is at equal distance from previous prime (12731039) and next prime (12731063).

It is an emirp because it is prime and its reverse (15013721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12731051 - 2¹⁰ = 12730027 is a prime.

It is a super-3 number, since 3×12731051³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12730051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365525 + 6365526.

It is an arithmetic number, because the mean of its divisors is an integer number (6365526).

Almost surely, 2^12731051 is an apocalyptic number.

12731051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12731051 is an equidigital number, since it uses as much as digits as its factorization.

12731051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 12731051 is about 3568.0598369422. The cubic root of 12731051 is about 233.5006457590.

Adding to 12731051 its reverse (15013721), we get a palindrome (27744772).

The spelling of 12731051 in words is "twelve million, seven hundred thirty-one thousand, fifty-one".